[i=s]This post was last edited by helloxieyu on 2014-8-9 11:56[/i] The ACLK oscillation problem caused by high temperature, there is no frequency deviation caused by temperature drift with a temperatu...
1. OverviewThe GD32F4 series is the earliest M4F core MCU I know of in China. Several other series such as F3 and E1 are M4 cores without hardware FPU, which are obviously inferior in some computing s...
One afternoon, my classmate was working in Construction Bank and was bored. A woman (a psychopath) dressed badly came to his window and gave him a note to withdraw money. The note clearly said "Comrad...
If you need to count high-speed (about 100KHz) random pulse signals with uncertain frequency and pulse width, what kind of circuit should you introduce the signal into? What kind of counting method sh...
As shown in the picture, I use a 20KHZ square wave to drive the IGBT. Why does the IGBT heat up so badly? Logically, this IGBT is 1200V/25A, and my voltage is only 20V/800mA. What's the problem? Is it...
TI system application engineers introduce you to a fully digital dual-head induction cooker solution implemented with a TI C2000 chip. C2000 devices are designed for real-time control applications and...
With the rapid development of science and technology, especially the widespread application of digital technology and various ultra-large-scale integrated circuits, electronic equipment, especially...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guang...[Details]
China's new energy vehicles are in a transition period from research and development to real industrial development. In 2012, with the intensive launch of new energy vehicle policy planning, the de...[Details]
Power management solutions for today's portable application processors are becoming increasingly integrated. Total power consumption, standby and sleep current consumption affect battery size, bill...[Details]
1. Background:
The instrument system parameter detection and control of the chemical production workshop of Tangshan Coal Gas Coking Plant are all analog instruments, some of which are eve...[Details]
The automotive lighting and signal control system is responsible for controlling the vehicle's lighting, signal lights, electric horns, reversing and brake buzzers. Traditional automotive lighting...[Details]
The typical fault troubleshooting listed below is for reference of maintenance personnel.
When the computer is turned on, the indicator light is off and there is no screen display
Mainte...[Details]
introduction
MAX6636 is a multi-channel precision temperature monitor that can not only monitor local temperature, but also connect up to 6 diodes externally. Each channel has a programmable...[Details]
LED lighting: Basic circuit design can be completed in as little as one day
Semiconductor manufacturers are also getting involved in the LED lighting business. The power circuit of LED req...[Details]
To understand how and why OLED power supply affects display image quality, you must first understand OLED display technology and power supply requirements. This article will explain the latest OLED...[Details]
introduction
Incandescent bulbs can emit a variety of light, but in specific applications, only green, red, and yellow light are usually needed - such as traffic lights. If an incand...[Details]
The ARINC429 bus is one of the most commonly used communication buses between various subsystems of avionics. As the "skeleton" of modern avionics systems, once the bus system or the attached airbo...[Details]
The emergence and development of street lamps are inseparable from the prosperity and progress of cities, which makes street lamps useful. Conversely, street lamps also make the night of the city n...[Details]
Dual Tone MultiFrequency (DTMF) signaling is gradually being used in push-button telephones around the world. It quickly replaced the dial pulse signaling used in traditional rotary phones because ...[Details]
0 Introduction
In the design and construction of communication systems,
communication power supply
is called the heart of the communication system. The power supply system will dire...[Details]
Microcontroller MCU
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